Not much nonsense, there are pictures and the truth
Q·: You can build normally, but the debug is uncomfortable to look at, and the code prompts can't come out.
solution:
1. invalidate and restart (useless to continue to step 2)
2. Modify the dependency package version in gradle
com.jakewharton:butterknife:8.7.0 is modified as follows:
After the download is complete, it will be automatically associated.
ok problem solved, happy coding.